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x86: Deinline dma_free_attrs()

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Reduces kernel size by 76720 bytes on allyesconfig build:

    text     data      bss       dec     hex filename
82594029 22255352 20627456 125476837 77a9fe5 vmlinux1
82517277 22255384 20627456 125400117 7797435 vmlinux2

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Don Dutile <ddutile@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/1428926075-28796-3-git-send-email-dvlasenk@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Denys Vlasenko 2015-04-13 13:54:33 +02:00 committed by Thomas Gleixner
parent 0c7965ff22
commit f1dc154f82
2 changed files with 20 additions and 15 deletions
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18
arch/x86/include/asm/dma-mapping.h
View File

@ -133,20 +133,8 @@ dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
static inline void dma_free_attrs(struct device *dev, size_t size,
void *vaddr, dma_addr_t bus,
struct dma_attrs *attrs)
{
struct dma_map_ops *ops = get_dma_ops(dev);
WARN_ON(irqs_disabled()); /* for portability */
if (dma_release_from_coherent(dev, get_order(size), vaddr))
return;
debug_dma_free_coherent(dev, size, vaddr, bus);
if (ops->free)
ops->free(dev, size, vaddr, bus, attrs);
}
void dma_free_attrs(struct device *dev, size_t size,
void *vaddr, dma_addr_t bus,
struct dma_attrs *attrs);
#endif

17
arch/x86/kernel/pci-dma.c
View File

@ -168,6 +168,23 @@ void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
}
EXPORT_SYMBOL(dma_alloc_attrs);
void dma_free_attrs(struct device *dev, size_t size,
void *vaddr, dma_addr_t bus,
struct dma_attrs *attrs)
{
struct dma_map_ops *ops = get_dma_ops(dev);
WARN_ON(irqs_disabled()); /* for portability */
if (dma_release_from_coherent(dev, get_order(size), vaddr))
return;
debug_dma_free_coherent(dev, size, vaddr, bus);
if (ops->free)
ops->free(dev, size, vaddr, bus, attrs);
}
EXPORT_SYMBOL(dma_free_attrs);
/*
* See <Documentation/x86/x86_64/boot-options.txt> for the iommu kernel
* parameter documentation.